The exact site of Christopher Columbus's first landfall in the New World has been a controversial subject since his arrival in The Bahamas in 1492. Watling Island, renamed San Salvador, has been the choice of many scholars. A new theory presented by Luis and Ethel Marden, who tracked the journey presented on this map, points to Samana Cay. Published in National Geographic Magazine in November 1986 with the "Threading the Islands" map and three articles on Columbus.